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By: Mayfield, Harold F.Type: ArticleIn: The Canadian field-naturalistVolume: 97Series:Issue: 4Date: 1983Page Range: 371--376Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Mayfield, Harold F.Type: ArticleIn: The Wilson bulletinVolume: 67Series:Issue: 1Date: 1955Page Range: 69--69Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: